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STEP 1 – BATTERY CONNECTION Locate the battery and disconnect the negative battery cable. Mount the module in the open area in front of the battery with 2-tie straps or velcro straps, directing the harness from the module towards the 6 o’clock position. STEP 2 – THROTTLE POSITION SENSOR (TPS): Remove the air cleaner assembly and unplug the TPS sensor connector at the TPS sensor. The harness includes (2) TPS connectors which should be routed under the gas tank into the factory wire loom to the TPS sensor. The TPS sensor is located on the left side of the throttle body. Plug the (2) TPS connectors from the module in between the TPS sensor and to the factory TPS connector. STEP 3 – O2 SENSOR: Systems equipped with factory O2 sensors Rear: Unplug the Rear O2 sensor connector from the factory harness, which is located at the Rear exhaust pipe. Route the module’s harness which includes (2) O2 sensor connectors and connect one connector to the Rear O2 sensor and connect the other connector to the main factory O2 sensor connector. Front: Unplug the Front O2 sensor connector from the factory harness, which is located at the Front exhaust pipe. Route the module’s harness which includes (2) O2 sensor connectors, and connect one connector to the Front O2 sensor and connect the other connector to the main factory O2 sensor connector. Systems not equipped with factory O2 sensors NOTE: Many aftermarket exhaust systems are now equipped with plugged O2 sensor bungs which can be removed to accept an aftermarket O2 sensor. Typically these bungs already have a thread size of 18 mm x 1.5 mm. Exhaust systems not equipped with O2 sensor bungs need to have the supplied 18 mm x 1.5 mm thread size bung welded to the exhaust pipe in order to install an O2 sensor. The O2 sensor bung should be installed 3 to 6 inches away from the rear cylinder exhaust port and in front of the exhaust torque tube pipe area. The module prefers to receive information from the O2 sensor from an area that is NOT contaminated from atmospheric air. This air may enter through the tail pipe of an unrestricted or un-baffled exhaust pipe. The bung should not be installed in the “5 to 7 o’clock” area. If mounted in this area the O2 sensor can be damaged. The moisture from the gases exiting from the rear cylinder exhaust port will harm the ceramic shell element of the O2 sensor.

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1. Turn off the ignition switch before proceeding. 2. Select a convenient mounting location for the Bosch sensor. In general, the sensor should be mounted as close to the exhaust valve or exhaust manifold as practical. When choosing a mounting location, allow several inches clearance for the sensor wire harness. The wire harness must exit straight out from the sensor. Do not loop the harness back onto the sensor body. The sensor responds to oxygen pressure. Excessive backpressure will cause a reading error. For turbocharged applications, you must mount the sensor downstream of the turbo. 3. For temporary use during dyno tuning, you can mount the Bosch wide-band sensor in place of one of the original equipment rear oxygen sensors (after the catalytic converter). You can also use a sniffer in the tailpipe. For permanent mounting, an 18 x 1.5 mm weld nut must be welded onto the exhaust pipe. After welding, run an 18 x 1.5 mm tap through the threads. Failure to clean the threads may result in sensor damage. Note that most automotive muffler shops are familiar with oxygen sensor weld nut installation on custom pipes. Do not install the sensor until after the free air calibration procedure described in the following section. Always use an anti-seize lubricant such as Permatex 133A on the sensor threads. 4. Install the WEGO II unit. The WEGO II unit should be mounted where the LCD display will be visible during testing. You can secure the WEGO II unit with Velcro tape strips. 5. Connect the Bosch sensor to the 6 pin mating connector on the WEGO II wire harness. 6. Refer to Figure 1. Connect the black WEGO II wire to frame ground using the supplied ring terminal. Try to use an existing wire harness ground location. Do not extend the WEGO II ground wire or ground the WEGO II to the battery minus terminal or to the engine. 7. Connect the red WEGO II wire to switched +12 volt power. You can usually find switched +12V power at an accessory fuse on the fuse block. You can use the supplied fuse tap and 3/16″ female crimp terminal for this purpose

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1Fuel pump 2Pressure regulator 3Fuel injector 4Throttle body 5Intake temperature sensor 6Throttle position sensor 7Intake air pressure sensor 8ECU 9Atmospheric pressure sensor 0Coolant temperature sensor ACylinder identification sensor BCrankshaft position sensor ÈFuel system ÉAir system ÊControl system Illustration is for reference only. 1 – 4 GEN INFO FEATURES Fuel control block The fuel control block consists of the following main components: An engine trouble warning light is provided on meter panel. Component Function Control block ECU Total FI system control Throttle body Air volume control Pressure regulator Fuel pressure detection Sensor block Intake air pressure sensor Intake air pressure detection Atmospheric pressure sensor Atmospheric pressure detection Coolant temperature sensor Coolant temperature detection Intake temperature sensor Intake temperature detection Throttle position sensor Throttle angle detection Cylinder identification sensor Reference position detection Crankshaft position sensor Crankshaft position detection and engine RPM detection Speed sensor Speed detection Actuator block Injector Fuel injection Fuel pump Fuel feed Air Induction system, air cut valve Induction of secondary air A. Power supply circuit The power supply circuit obtains power from the battery (12 V) to supply the power (5 V) that is required for operating the ECU. B. Input interface circuits The input interface circuits convert the signals output by all the sensors into digital signals, which can be processed by the CPU, and input them into the CPU. C. CPU (Central Processing Unit) The CPU determines the condition of the sensors in accordance with the level of the signal that is output by the respective sensor. Then, the signals are temporarily stored on the RAM in the CPU. Based on those stored signals and the basic processing program on the ROM, the CPU calculates the fuel injection duration, injection timing, and ignition timing, and then sends control commands to the respective output interface circuits. D. Output interface circuits The output interface circuits convert the control signals output by the CPU into actuating signals for the respective actuators in order to actuate them. They also output commands to the indicator and relay output circuits as needed.

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1. Turn off the ignition switch before proceeding. 2. Select a convenient mounting location for the Bosch sensor. In general, the sensor should be mounted as close to the exhaust valve or exhaust manifold as practical. When choosing a mounting location, allow several inches clearance for the sensor wire harness. The wire harness must exit straight out from the sensor. Do not loop the harness back onto the sensor body. The sensor responds to oxygen pressure. Excessive backpressure will cause a reading error. For turbocharged applications, you must mount the sensor downstream of the turbo. 3. For temporary use during dyno tuning, you can mount the Bosch wide-band sensor in place of one of the original equipment rear oxygen sensors (after the catalytic converter). You can also use a sniffer in the tailpipe. For permanent mounting, an 18 x 1.5 mm weld nut must be welded onto the exhaust pipe. After welding, run an 18 x 1.5 mm tap through the threads. Failure to clean the threads may result in sensor damage. Note that most automotive muffler shops are familiar with oxygen sensor weld nut installation on custom pipes. Do not install the sensor until after the free air calibration procedure described in the following section. Always use an anti-seize lubricant such as Permatex 133A on the sensor threads. 4. Install the WEGO IV unit where the display will be visible during testing. The unit is not sealed and must be mounted in a dry location away from sources of heat. We recommend underdash mounting or use in a dyno lab environment. The unit is not intended for underhood mounting. The unit can be secured by means of Velcro tape strips. Use nylon tie wraps to secure the wire harness near the unit. 5. Working with clamping terminal blocks . All connections to the WEGO IV terminal block must be clearly identified either by means of distinct wire colors (such as shown in Figure 1) or wire labels. If you use different wire colors, mark up Figure 1 for future reference. All connections can be made with 18-20 AWG wire. Wire should be stripped back

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Speed Sensor Installation: The microSpeed™ speedometer can be used with either +12V or +5V hall effect electronic sensors located in transmission. Sensor is not include. If your sensor operates on +5V DC wire speedometer to sensor and power as shown in Figure 2 below. Please note that color of wires from the sensor may vary, check sensor documentation for proper signal connections. For +12V sensor you will not need the Blue wire of the microSpeed™ speedometer. It may be cut short, but make sure that the end is properly protected so that it will not accidentally short to metal on the motorcycle. Use Figure 3 below for wiring a +12V sensor. H-D motorcycles 1999 and earlier used +12V sensors. H-D motorcycles 2000 and later use +5V sensors. Note: H-D OEM sensors require 20Kohm resistor(provided) between Sensor power and Sensor signal as shown. Procedure: 1. Locate wires and determine connection points. Cut wires and techflex to proper lengths. 2. Connect speedometer wires to proper signal wires as shown in diagrams, including 20K ohm resistor if using stock H-D sensor. Use either butt connectors provided or customer supplied connectors. 3. Use electrical tape or Heat Shrink tubing around sensor signal wire, sensor power, and resistor to protect resistor. 4. Proceed to Setup Section below. Setup microSpeed™ Speedometer: 1. Before proceeding review User Guide document for detailed instructions on following procedure. 2. Turn on power to speedometer, display should read “odo” 3. Set initial odometer value 4. Turn off power for 2 seconds; then turn power on again 5. Display should read “F 0″ 6. Enter Configuration and Calibration and set speedometer to proper operating mode. a. Harley English b. Harley Metric c. Standard speed sensor English d. Standard speed sensor Metric 7. Set Fuel miles per tank 8. Set Oil change interval 9. Set Speed adjustment 10. Confirm. 11. Test speed is reporting properly and adjust is necessary

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Speed Sensor Requirement Identification Certain motorcycles are not equipped with a port that will accept a Transmission Speed Sensor. Those models will require a Rear Wheel Speed Sensor. To determine which sensor is required, follow the following procedure: Determine if you have a mechanical speedometer 1. The mechanical speedometer is around 2 ¼” in diameter. 2. On the axle on the left side of the front wheel, there will be a 2″ diameter ‘donut like’ part that the axle passes through. This is the speedometer drive. Attached to the speedometer drive and extending back and up under the fuel tank will be a housed cable. This is the speedometer drive and cable to drive the mechanical speedometer. 3. If these conditions are true, you have a mechanical speedometer. Determine which speedometer drive sensor you need. You must determine if your transmission will accept the transmission sensor. If not, you will need the rear axle sensor. 1. On the top, right, rear of the transmission, will be a 1″ by 1/2″ (approximately) cover held in by one bolt. 2. If you find this then REMOVE the bolt and over. 3. If after removal of the cover you find a larger hole underneath, then you can use the transmission sensor. Figure 1—Transmission Sensor Port (Inset Shows Cover Removed) 4. If you have no cover, or under the cover is not a hole, then you need the rear axle sensor. Be sure to look closely and under the gasket under the cover. 5. If you have no sensor hole, then you need to make sure you have the rear wheel sensor. Contact Thunder Heart Performance if you need to exchange your sensor for a different one. 1.3 Preparation and Painting of the Console Your console is made of Lexan®, which is a clear, durable plastic. It can be painted on the inside (so that outside scratches will not affect the paint), or on the outside. For the best paint results, thoroughly clean the console only with the following cleaners

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specifications. The inspection procedure for each type of sensor differs from the others. Select the appropriate inspection procedure from the table below according to vehicle specifications and perform the inspection. EQUIPPED WITH AUTOMATIC LIGHT CONTROL SYSTEM A/C SYSTEM WITH RIGHT/LEFT INDEPENDENT TEMPERATURE CONTROL INSPECTION PROCEDURE No No A No Yes B Yes Yes C Yes No D Procedure A: a. Disconnect the solar sensor connector. b. Measure the resistance between terminals 1 and 2 of the solar sensor under the following conditions: Cover the sensor with a cloth to avoid direct light. Expose the sensor to light from a distance of 300 mm (11.81 in.) or less with an inspection light. NOTE: Terminal 1 of the sensor is always on the right, when the lock is facing up. When using an analog tester, connect the positive (+) lead to terminal 2 and negative (-) lead to terminal 1 of the solar sensor. HINT: If the light is weak, the sensor may not react. Be sure to use an incandescent light for an inspection light